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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/*
* @package blocks
* @subpackage community
* @author Jerome Mouneyrac <jerome@mouneyrac.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL
* @copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com
*
* This page display the community course search form.
* It also handles adding a course to the community block.
* It also handles downloading a course template.
*/
require('../../config.php');
require_once($CFG->dirroot . '/blocks/community/locallib.php');
require_once($CFG->dirroot . '/blocks/community/forms.php');
require_once($CFG->dirroot . '/' . $CFG->admin . '/registration/lib.php');
require_login();
$courseid = required_param('courseid', PARAM_INT); //if no courseid is given
$parentcourse = $DB->get_record('course', array('id' => $courseid), '*', MUST_EXIST);
$context = get_context_instance(CONTEXT_COURSE, $courseid);
$PAGE->set_course($parentcourse);
$PAGE->set_url('/blocks/community/communitycourse.php');
$PAGE->set_heading($SITE->fullname);
$PAGE->set_pagelayout('course');
$PAGE->set_title(get_string('searchcourse', 'block_community'));
$PAGE->navbar->add(get_string('searchcourse', 'block_community'));
$search = optional_param('search', null, PARAM_TEXT);
//if no capability to search course, display an error message
$usercansearch = has_capability('moodle/community:add', $context);
$usercandownload = has_capability('moodle/community:download', $context);
if (empty($usercansearch)) {
$notificationerror = get_string('cannotsearchcommunity', 'hub');
} else if (!extension_loaded('xmlrpc')) {
$notificationerror = $OUTPUT->doc_link('admin/environment/php_extension/xmlrpc', '');
$notificationerror .= get_string('xmlrpcdisabledcommunity', 'hub');
}
if (!empty($notificationerror)) {
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('searchcommunitycourse', 'block_community'), 3, 'main');
echo $OUTPUT->notification($notificationerror);
echo $OUTPUT->footer();
die();
}
$communitymanager = new block_community_manager();
$renderer = $PAGE->get_renderer('block_community');
/// Check if the page has been called with trust argument
$add = optional_param('add', -1, PARAM_INTEGER);
$confirm = optional_param('confirmed', false, PARAM_INTEGER);
if ($add != -1 and $confirm and confirm_sesskey()) {
$course = new stdClass();
$course->name = optional_param('coursefullname', '', PARAM_TEXT);
$course->description = optional_param('coursedescription', '', PARAM_TEXT);
$course->url = optional_param('courseurl', '', PARAM_URL);
$course->imageurl = optional_param('courseimageurl', '', PARAM_URL);
$communitymanager->block_community_add_course($course, $USER->id);
echo $OUTPUT->header();
echo $renderer->save_link_success(
new moodle_url('/course/view.php', array('id' => $courseid)));
echo $OUTPUT->footer();
die();
}
/// Delete temp file when cancel restore
$cancelrestore = optional_param('cancelrestore', false, PARAM_INT);
if ($usercandownload and $cancelrestore and confirm_sesskey()) {
$filename = optional_param('filename', '', PARAM_ALPHANUMEXT);
//delete temp file
unlink($CFG->dataroot . '/temp/backup/' . $filename . ".mbz");
}
/// Download
$huburl = optional_param('huburl', false, PARAM_URL);
$download = optional_param('download', -1, PARAM_INTEGER);
$downloadcourseid = optional_param('downloadcourseid', '', PARAM_INTEGER);
$coursefullname = optional_param('coursefullname', '', PARAM_ALPHANUMEXT);
$backupsize = optional_param('backupsize', 0, PARAM_INT);
if ($usercandownload and $download != -1 and !empty($downloadcourseid) and confirm_sesskey()) {
$course = new stdClass();
$course->fullname = $coursefullname;
$course->id = $downloadcourseid;
$course->huburl = $huburl;
//OUTPUT: display restore choice page
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('downloadingcourse', 'block_community'), 3, 'main');
$sizeinfo = new stdClass();
$sizeinfo->total = number_format($backupsize / 1000000, 2);
echo html_writer::tag('div', get_string('downloadingsize', 'block_community', $sizeinfo),
array('class' => 'textinfo'));
flush();
$filenames = $communitymanager->block_community_download_course_backup($course);
echo html_writer::tag('div', get_string('downloaded', 'block_community'),
array('class' => 'textinfo'));
echo $OUTPUT->notification(get_string('downloadconfirmed', 'block_community',
'/downloaded_backup/' . $filenames['privatefile']), 'notifysuccess');
echo $renderer->restore_confirmation_box($filenames['tmpfile'], $context);
echo $OUTPUT->footer();
die();
}
/// Remove community
$remove = optional_param('remove', '', PARAM_INTEGER);
$communityid = optional_param('communityid', '', PARAM_INTEGER);
if ($remove != -1 and !empty($communityid) and confirm_sesskey()) {
$communitymanager->block_community_remove_course($communityid, $USER->id);
echo $OUTPUT->header();
echo $renderer->remove_success(new moodle_url(get_referer(false)));
echo $OUTPUT->footer();
die();
}
//Get form default/current values
$fromformdata['coverage'] = optional_param('coverage', 'all', PARAM_TEXT);
$fromformdata['licence'] = optional_param('licence', 'all', PARAM_ALPHANUMEXT);
$fromformdata['subject'] = optional_param('subject', 'all', PARAM_ALPHANUMEXT);
$fromformdata['audience'] = optional_param('audience', 'all', PARAM_ALPHANUMEXT);
$fromformdata['language'] = optional_param('language', current_language(), PARAM_ALPHANUMEXT);
$fromformdata['educationallevel'] = optional_param('educationallevel', 'all', PARAM_ALPHANUMEXT);
$fromformdata['downloadable'] = optional_param('downloadable', 0, PARAM_ALPHANUM);
$fromformdata['orderby'] = optional_param('orderby', 'newest', PARAM_ALPHA);
$fromformdata['huburl'] = optional_param('huburl', HUB_MOODLEORGHUBURL, PARAM_URL);
$fromformdata['search'] = $search;
$fromformdata['courseid'] = $courseid;
$hubselectorform = new community_hub_search_form('', $fromformdata);
$hubselectorform->set_data($fromformdata);
//Retrieve courses by web service
$courses = null;
if (optional_param('executesearch', 0, PARAM_INTEGER) and confirm_sesskey()) {
$downloadable = optional_param('downloadable', false, PARAM_INTEGER);
$options = new stdClass();
if (!empty($fromformdata['coverage'])) {
$options->coverage = $fromformdata['coverage'];
}
if ($fromformdata['licence'] != 'all') {
$options->licenceshortname = $fromformdata['licence'];
}
if ($fromformdata['subject'] != 'all') {
$options->subject = $fromformdata['subject'];
}
if ($fromformdata['audience'] != 'all') {
$options->audience = $fromformdata['audience'];
}
if ($fromformdata['educationallevel'] != 'all') {
$options->educationallevel = $fromformdata['educationallevel'];
}
if ($fromformdata['language'] != 'all') {
$options->language = $fromformdata['language'];
}
$options->orderby = $fromformdata['orderby'];
//the range of course requested
$options->givememore = optional_param('givememore', 0, PARAM_INTEGER);
//check if the selected hub is from the registered list (in this case we use the private token)
$token = 'publichub';
$registrationmanager = new registration_manager();
$registeredhubs = $registrationmanager->get_registered_on_hubs();
foreach ($registeredhubs as $registeredhub) {
if ($huburl == $registeredhub->huburl) {
$token = $registeredhub->token;
}
}
$function = 'hub_get_courses';
$params = array('search' => $search, 'downloadable' => $downloadable,
'enrollable' => !$downloadable, 'options' => $options);
$serverurl = $huburl . "/local/hub/webservice/webservices.php";
require_once($CFG->dirroot . "/webservice/xmlrpc/lib.php");
$xmlrpcclient = new webservice_xmlrpc_client($serverurl, $token);
try {
$result = $xmlrpcclient->call($function, $params);
$courses = $result['courses'];
$coursetotal = $result['coursetotal'];
} catch (Exception $e) {
$errormessage = $OUTPUT->notification(
get_string('errorcourselisting', 'block_community', $e->getMessage()));
}
}
// OUTPUT
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('searchcommunitycourse', 'block_community'), 3, 'main');
$hubselectorform->display();
if (!empty($errormessage)) {
echo $errormessage;
}
//load javascript
$commentedcourseids = array(); //result courses with comments only
$courseids = array(); //all result courses
$courseimagenumbers = array(); //number of screenshots of all courses (must be exact same order than $courseids)
if (!empty($courses)) {
foreach ($courses as $course) {
if (!empty($course['comments'])) {
$commentedcourseids[] = $course['id'];
}
$courseids[] = $course['id'];
$courseimagenumbers[] = $course['screenshots'];
}
}
$PAGE->requires->yui_module('moodle-block_community-comments', 'M.blocks_community.init_comments',
array(array('commentids' => $commentedcourseids)));
$PAGE->requires->yui_module('moodle-block_community-imagegallery', 'M.blocks_community.init_imagegallery',
array(array('imageids' => $courseids, 'imagenumbers' => $courseimagenumbers,
'huburl' => $huburl)));
echo highlight($search, $renderer->course_list($courses, $huburl, $courseid));
//display givememore/Next link if more course can be displayed
if (!empty($courses)) {
if (($options->givememore + count($courses)) < $coursetotal) {
$fromformdata['givememore'] = count($courses) + $options->givememore;
$fromformdata['executesearch'] = true;
$fromformdata['sesskey'] = sesskey();
echo $renderer->next_button($fromformdata);
}
}
echo $OUTPUT->footer();
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